<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
</html>
<script type="text/javascript">
    function t() {
        alert("test1")
    }
    function b() {
        alert("test")
    }
    window.onload =t;
    window.onload =b;
</script>